1.2.3

• Added: fallback image option in compressed srcset
• Bugfix: inview callback not working when using background-image module.
• Bugfix: compressed srcset not applied.

<!-- compressed srcset -->
<img data-z='['path/img.jpg', [412, 800, 1280, 1600, 1920], '/base/path/', 'fallback-image.svg']'>